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(1 華中科技大學(xué)土木工程與力學(xué)學(xué)院， 武漢  430074； 2 香港城市大學(xué)建筑與土木工程系，香港 999077；  3 湖南大學(xué)土木工程學(xué)院， 長(zhǎng)沙 410082)

［摘要］以在施工的深圳平安金融中心為研究對(duì)象，在結(jié)構(gòu)關(guān)鍵樓層布設(shè)光纖光柵應(yīng)變傳感器，實(shí)現(xiàn)對(duì)整個(gè)塔樓高度范圍內(nèi)豎向變形的全面監(jiān)控。根據(jù)8種施工工況下的實(shí)測(cè)應(yīng)變，采用線性插值法計(jì)算了塔樓各層的豎向變形，并采用有限元法進(jìn)行了施工過程仿真分析，提出了結(jié)合實(shí)測(cè)數(shù)據(jù)和有限元模擬的同比例法驗(yàn)證了線性插值法的可靠性。結(jié)果表明，用于深圳平安金融中心的豎向變形監(jiān)測(cè)方案可以對(duì)該結(jié)構(gòu)豎向變形提供有效的監(jiān)控，也可為其他超高層建筑豎向變形監(jiān)測(cè)提供參考。

［關(guān)鍵詞］深圳平安金融中心； 超高層建筑； 豎向變形； 現(xiàn)場(chǎng)實(shí)測(cè)； 有限元方法； 施工模擬

中圖分類號(hào)：TU317-2文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)06-0006-06

Field monitoring and computational analysis of vertical deformation for Ping-an Financial Centre in Shenzhen during construction

He Yinghou1,2， Li Qiusheng2， Zhu Hongping1， Zhou Kang3， Han Xuliang3

(1 School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China; 2 Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong 999077, China; 3 College of Civil Engineering, Hunan University, Changsha 410082, China)

Abstract:Taking the Ping-an Financial Centre in Shenzhen during  construction as the research object, the fiber grating strain sensor was arranged on the key floor of the structure to realize the comprehensive monitoring of the vertical deformation in the height range of the entire tower. According to the measured strain under eight construction conditions, the vertical deformation of the towers was calculated by linear interpolation method, and the finite element method was used to simulate the construction process. Moreover, a so-called same-proportion method which combined the field measurements with the results of the finite element analysis was proposed and implemented to verify the reliability of the linear interpolation method. The results show that the vertical deformation monitoring scheme for Ping-an Financial Centre in Shenzhen  can provide effective monitoring of the vertical deformation of the structure, and can also provide reference for the vertical deformation monitoring of other super-tall buildings.

Keywords:Ping\|an Financial Centre in Shenzhen; super-tall building; vertical deformation; field measurement; finite element method; construction simulation

*國(guó)家自然科學(xué)基金面上項(xiàng)目(51178179),“重點(diǎn)研發(fā)計(jì)劃”項(xiàng)目（2016YFC0802002）。

通訊作者：李秋勝，博士，教授，Email: bcqsli@cityu.edu.hk。